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A charged particle moving along +ve x-di...

A charged particle moving along +ve x-direction with a velocity v enters a region where there is a uniform magnetic field `B_0(-hat k), from x=0 to x=d.` The particle gets deflected at an angle `theta` from its initial path. The specific charge of the particle is

A

`(Bd)/(v cos theta)`

B

`(v tan theta)/(Bd)`

C

`(B sin theta)/(vd)`

D

`(v sin theta)/(Bd)`

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